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kingoc321
25.11.2021 •
Mathematics
Cos( vécto AB, vecto AD )
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Ответ:
por favor sea más claro con su pregunta
Step-by-step explanation:
Adios!
Ответ:
B U C means B union C which combines them:
{Frans, Sarie, Tina, Klaas, Henrika, Hans} note that there is no need to write Frans twice.
∩ means intersection which is only what the two sets have in common, in this case:
{Frans, Sarie}
the number is 2.